Union toolbox



FIG. 1 is the front elevational view of a union toolbox showing my new design;

FIG. 2 is the rear elevational view thereof;

FIG. 3 is the left side elevational view thereof;

FIG. 4 is the right side elevational view thereof;

FIG. 5 is the top elevational view thereof;

FIG. 6 is the bottom elevational view thereof; and,

FIG. 7 is the perspective view thereof. 

The ornamental design for a union toolbox, as shown and described. 